# $Id: Makefile.PL,v 1.33 2002/12/15 19:40:19 skimo Exp $

use ExtUtils::MakeMaker;
use IO::File;
use Config;
use Cwd 'cwd';
use Getopt::Long;
use File::Copy qw(copy);

@h1 = qw(fastcgi.h fcgiapp.h fcgimisc.h fcgios.h);
@h = (@h1, 'fcgi_config.h');
@o = qw(FCGI.o);
@dist1 = qw(LICENSE.TERMS);
@dist2 = qw(fcgiapp.c os_unix.c os_win32.c);
@dist3 = (@h1, qw(fcgi_config_x86.h));

GetOptions ("pure-perl!" => \$pure,
        "use-installed:s" => \$useinstalled);
$pure = "0" unless defined $pure;
open(CFG,">FCGI.cfg");
print CFG "\$pure = $pure;1;\n";
close CFG;

$libfound = 0;
@libs = ();

if (! $pure) {
    my $cwd = cwd();
    my $devkit = "$cwd/..";

    if (defined $useinstalled) {
    require ExtUtils::Liblist;
    my $libspec = $useinstalled ? "-L$useinstalled/lib " : "";
    $libspec .= "-lfcgi";
    my @l = MM->ext($libspec);
    if ($l[0] || $l[1] || $l[2]) {
        $prefix = "$useinstalled/include" if $useinstalled;
        $libfound = 1;
        push @libs, $libspec;
    }
    }
    if (!$libfound && -d "$devkit/libfcgi" && -d "$devkit/include") {
        # devkit
        if (grep { ! -f "$devkit/include/$_" } @dist3 
            or grep { ! -f "$devkit/libfcgi/$_" } @dist2)
        {
            warn "This appears to be a FastCGI devkit distribution, " .
                "but one or more FastCGI library files are missing. \n" .
                "Please check the integrity of the distribution.\n";
            exit -1;
        }

        my $extrarules = join "\n",
            map { $b = $_; $b =~ s/\.c$//; my $s="$devkit/libfcgi/$b.c";
                "$b\$(OBJ_EXT): $s\n\t".
                '$(CCCMD) $(CCCDLFLAGS) -I$(PERL_INC) $(DEFINE) '."$s\n"; }
                @dist2;
        eval 'package MY; sub postamble { $extrarules; }';
        $prefix = $devkit;
    }
}

$sys = $^O eq 'MSWin32' ? 'win32' : 'unix';
push @o, "fcgiapp.o", "os_$sys.o" unless $libfound;
$inc = '-I.' unless $libfound;
$inc .= " -I$prefix/include" if $prefix;

push(@extras, CAPI => 'TRUE')
     if ($] >= 5.005 and $^O eq 'MSWin32'
        and $Config{archname} =~ /-object\b/i);

push(@extras,
    ABSTRACT => 'Fast CGI module',
    AUTHOR   => 'Sven Verdoolaege (skimo@kotnet.org)'
)
    if ($ExtUtils::MakeMaker::VERSION >= 5.4301);

push @extras, META_MERGE => {
    resources => {
        repository => 'git://git.shadowcat.co.uk/catagits/fcgi2.git',
    },
} if $ExtUtils::MakeMaker::VERSION >= 6.46;

$plfiles = {
    'echo.PL' => 'echo.fpl',
    'remote.PL' => 'remote.fpl',
    'threaded.PL' => 'threaded.fpl',
    'FCGI.PL' => 'FCGI.pm',
};
$plfiles->{'FCGI.XL'} = 'FCGI.xs' unless $pure;
if ($pure) {
    push @extras,
    LINKTYPE => ' ';
} else {

    if ("$sys" eq "win32") {
        push @libs, ":nosearch -lws2_32";
        push @extras, 'DEFINE' => '-DDLLAPI=__declspec(dllexport)';
    }

    push @extras,
        'LIBS'    => [ "@libs" ],
        'OBJECT'    => "@o",
        'INC'    => $inc;
}

# See lib/ExtUtils/MakeMaker.pm for details of how to influence
# the contents of the Makefile that is written.

# Work around bug in previous versions of MakeMaker
WriteMakefile(
    'NAME'        => 'FCGI',
    'VERSION_FROM'    => 'version.pm',
    'dist' => {
        'COMPRESS' => 'gzip -9f',
        'SUFFIX' => 'gz',
        'PREOP' => '$(CP) '.join(' ',
            map {"../$_"} @dist1,
            (map {"libfcgi/$_"} @dist2),
            map {"include/$_"} @dist3).' $(DISTVNAME);'.
                '$(CP) MANIFEST MANIFEST.old;'.
                '$(ECHO) '. join('\\\n',@dist1,@dist2,@dist3) .
                '>> $(DISTVNAME)/MANIFEST',
                  'POSTOP' => 
                '$(MV) MANIFEST.old MANIFEST',
    },
    'clean'        => { FILES => 'config.cache fcgi_config.h' .
                      ' FCGI.xs FCGI.c FCGI.cfg ' .
                      (join ' ', values %$plfiles)},
    'PL_FILES'        => $plfiles,
    PM            => {'FCGI.pm' => '$(INST_ARCHLIBDIR)/FCGI.pm'},
    @extras,
);

exit if -f 'fcgi_config.h' or $libfound or $pure;

# CPAN and no installed lib found
if ($sys eq "win32") {
    # configure will almost certainly not run on a normal NT install,
    # use the pregenerated configuration file

    print "Using prebuilt fcgi_config.h file for Windows\n";
    unlink("fcgi_config.h");
    my $confdir = $prefix ? "$prefix/include/" : '';
    die $! unless copy("${confdir}fcgi_config_x86.h","fcgi_config.h");

    # Win can't deal with existence of FCGI.xs or absence of FCGI.c
    unlink("FCGI.xs");
    open(F, ">FCGI.c"); close(F);
    $now = time; $before = $now - 600;
    utime $before, $before, "FCGI.c";
    utime $now, $now, "FCGI.PL";
} else {
    print "Running ./configure for you\n";
    print "Please read configure.readme for information on how to run it yourself\n";

    $ENV{'CC'} = $Config{'cc'};
    system("$Config{sh} configure");
}